natevent not working (Debian 12/6.1.0-10-amd64)

[bbeaver2021]

ipt_NETFLOW 2.6-17-g0eb2092, srcversion 9D57791DE7AEF9589512DAB; llist nel
Protocol version 5 (netflow)
Timeouts: active 1800s, inactive 15s. Maxflows 2000000
Natevents enabled, count start 0, stop 0.
Flows: active 404150 (peak 443178 reached 0d0h6m ago), mem 79532K, worker delay 1/250 [1..25] (4 ms, 0 us, 525:0 0 [cpu4]).
Hash: size 2097152 (mem 16384K), metric 1.12 [1.09, 1.00, 1.00]. InHash: 300180914 pkt, 278356070 K, InPDU 4, 224.
Rate: 7293200054 bits/sec, 874524 packets/sec; Avg 1 min: 7635331532 bps, 909034 pps; 5 min: 7750775167 bps, 921411 pps
cpu#     pps; <search found new [metric], trunc frag alloc maxflows>, traffic: <pkt, bytes>, drop: <pkt, bytes>
Total 874522; 121414669 909693726 22184868 [1.13],    0    0    0    0, traffic: 931878594, 934413 MB, drop: 0, 0 K
cpu0  100593; 15547534 113242231 2772980 [1.13],    0    0    0    0, traffic: 116015211, 119335 MB, drop: 0, 0 K
cpu1  107891; 15316178 114351858 2751969 [1.10],    0    0    0    0, traffic: 117103827, 120356 MB, drop: 0, 0 K
cpu2  113101; 15433141 118342878 2750816 [1.10],    0    0    0    0, traffic: 121093694, 125149 MB, drop: 0, 0 K
cpu3  111405; 15785834 116452164 2776246 [1.10],    0    0    0    0, traffic: 119228410, 119553 MB, drop: 0, 0 K
cpu4  112176; 13943633 109057170 2783437 [1.08],    0    0    0    0, traffic: 111840607, 111844 MB, drop: 0, 0 K
cpu5  111226; 15808755 118111042 2744188 [1.10],    0    0    0    0, traffic: 120855230, 114976 MB, drop: 0, 0 K
cpu6  110875; 14909862 109683256 2830708 [1.10],    0    0    0    0, traffic: 112513964, 111385 MB, drop: 0, 0 K
cpu7  107255; 14669732 110453133 2774524 [1.09],    0    0    0    0, traffic: 113227657, 111811 MB, drop: 0, 0 K
Export: Rate 3083184 bytes/s; Total 2178072 pkts, 3040 MB, 21780715 flows; Errors 0 pkts; Traffic lost 0 pkts, 0 Kbytes, 0 flows.

Natevents enabled, count start 0, stop 0.

Whats wrong?

[bbeaver2021]

sysctl net.netfilter.nf_conntrack_events=1 fixes troule